[Bug 98695] [byt bisected] WARN_ON(!power_domains->domain_use_count[domain])

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98695

yann <yann.argotti at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      i915 features|                            |display/DP
      i915 platform|                            |BYT
             Status|NEW                         |NEEDINFO

--- Comment #4 from yann <yann.argotti at intel.com> ---
(In reply to Chris Wilson from comment #3)
> commit a781ce79d51fc4952870c998937980a042927e84
> Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Date:   Fri Nov 27 18:55:25 2015 +0200
> 
>     drm/i915: Clean up AUX power domain handling
>     
>     Introduce intel_display_port_aux_power_domain() which simply returns
>     the appropriate AUX power domain for a specific port, and then replace
>     the intel_display_port_power_domain() with calls to the new function
>     in the DP code. As long as we're not actually enabling the port we don't
>     need the lane power domains, and those are handled now purely from
>     modeset_update_crtc_power_domains().
>     
>     My initial motivation for this was to see if I could keep the DPIO power
>     wells powered down while doing AUX on CHV, but turns out I can't so this
>     doesn't change anything for CHV at least. But I think it's still a
>     worthwile change.

Matwey, please re-test with latest drm-intel-nightly
(https://cgit.freedesktop.org/drm-intel/) and confirm that is now fixed also on
your side.

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